Sim, D. (2013). A union forever: The Irish question and U.S. foreign relations in the Victorian age. Cornell University Press.
Chicago-čujuhus (17. p.)Sim, David. A Union Forever: The Irish Question and U.S. Foreign Relations in the Victorian Age. Ithaca: Cornell University Press, 2013.
MLA-čujuhus (9. p.)Sim, David. A Union Forever: The Irish Question and U.S. Foreign Relations in the Victorian Age. Cornell University Press, 2013.
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